[pure-silver] Re: Maco film

I would recommend a hardening stopbath with the Maco films.  An easy one
shot is 1 tsp of potassium chrome alum and 1 tsp of sodium bisulfite
dissolved in 1 qt of water.  Immerse the film for 5 min with occasional
agitation before fixing.  Potassium chrome alum is safe to use as it
contains chromium (III) and not poisonous chromium (VI).  If the film is
still soft then try Kodak SB-3 which is stronger, being a 3% solution of
potassium chrome alum.

Jerry

-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Christina Z.
Anderson
Sent: Saturday, July 15, 2006 11:53 AM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Maco film


Hi all,

I mentioned Maco IR820C film a while back seeming to be the same as the
new 
Maco/Rollei 820C film and someone said it was not.  Could that someone
tell 
me how it is different?

Also, yesterday I developed a roll of the old Maco film in pyro at 75 
degrees and find that the old film is soooo soft at anything higher than
68 
degree development that the emulsion is easily melted off.  Is the new
film 
this soft?  Luckily I only snotted off one negative at the beginning of
the 
roll...

Chris
CZAphotography.com


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